Barriga is a town in the Sierra Perdida province of El Este. Sierra Perdida is packed with FND targets, so you will likely pass through Barriga while clearing anti-aircraft sites and checkpoints nearby.
A small El Este town in Sierra Perdida. The wiki has little on it beyond its place on the map.
Sierra Perdida is crowded with FND targets, including four anti-aircraft sites and a checkpoint. Clearing them makes it far safer to fly or Air Drop around Barriga.
Anti-Aircraft Site Lambda
Anti-Aircraft Site Lambda is an FND flak post in Sierra Perdida, El Este. It is out on the Lágrimas Islands, so plan a boat trip rather than a flight to reach it. Destroying it also gets you Depleted Uranium.
Anti-Aircraft Site Psi
Anti-Aircraft Site Psi is an FND flak post in Sierra Perdida, El Este. It protects Fort Fontana, so knocking it out first makes any air approach on the fort far safer. Destroying it also gets you Depleted Uranium.
Anti-Aircraft Site Theta
Anti-Aircraft Site Theta is an FND flak post in Sierra Perdida, El Este. It stands in Savannah Fields, close to the Biovida Research Facility. Destroying it also gets you Depleted Uranium.
Anti-Aircraft Site Zeta
Anti-Aircraft Site Zeta is an FND flak post in Sierra Perdida, El Este. Wreck the gun to fly safely over this part of El Este and pick up the Depleted Uranium stored at the site.